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Copy pathlanguageService.ts
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48 lines (46 loc) · 2.13 KB
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/// <reference path="..\harness.ts" />
namespace ts {
describe("languageService", () => {
const files: {[index: string]: string} = {
"foo.ts": `import Vue from "./vue";
import Component from "./vue-class-component";
import { vueTemplateHtml } from "./variables";
@Component({
template: vueTemplateHtml,
})
class Carousel<T> extends Vue {
}`,
"variables.ts": `export const vueTemplateHtml = \`<div></div>\`;`,
"vue.d.ts": `export namespace Vue { export type Config = { template: string }; }`,
"vue-class-component.d.ts": `import Vue from "./vue";
export function Component(x: Config): any;`
};
// Regression test for GH #18245 - bug in single line comment writer caused a debug assertion when attempting
// to write an alias to a module's default export was referrenced across files and had no default export
it("should be able to create a language service which can respond to deinition requests without throwing", () => {
const languageService = ts.createLanguageService({
getCompilationSettings() {
return {};
},
getScriptFileNames() {
return ["foo.ts", "variables.ts", "vue.d.ts", "vue-class-component.d.ts"];
},
getScriptVersion(_fileName) {
return "";
},
getScriptSnapshot(fileName) {
if (fileName === ".ts") {
return ts.ScriptSnapshot.fromString("");
}
return ts.ScriptSnapshot.fromString(files[fileName] || "");
},
getCurrentDirectory: () => ".",
getDefaultLibFileName(options) {
return ts.getDefaultLibFilePath(options);
},
});
const definitions = languageService.getDefinitionAtPosition("foo.ts", 160); // 160 is the latter `vueTemplateHtml` position
expect(definitions).to.exist; // tslint:disable-line no-unused-expression
});
});
}